Home / 12,988,385.56-19,483,725.30-3,403,726.84

Finding the Fourth Proportional to 12,988,385.56, 19,483,725.30 and 3,403,726.84

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Solution

The fourth proportional to 12,988,385.56, 19,483,725.30 and 3,403,726.84 is: 5,105,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,385.56 : 19,483,725.30 = 3,403,726.84 : x
  2. Step 2: Convert to fraction form
    12,988,385.56/19,483,725.30 = 3,403,726.84/x
  3. Step 3: Cross multiply
    12,988,385.56x = 19,483,725.30 × 3,403,726.84
  4. Step 4: Simplify right side
    12,988,385.56x = 66,317,278,746,797.05
  5. Step 5: Solve for x
    x = 66,317,278,746,797.05/12,988,385.56
  6. Step 6: Final answer
    x = 5,105,890.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.